Active: Vladimir sinks into a pool of blood becoming untargetable for 2 seconds and slowing enemies above him by 40% for 1 second. Additionally, he deals magic damage every half second to them and heals himself for 12.5% of the damage done.
Cost: 20% of current health
Radius of AoE: 150
Cooldown: 26/23/20/17/14 seconds
Magic Damage Per Half-Second: 20/33.75/47.5/61.25/75 (+3.75% of bonus health)
Maximum Magic Damage: 80/135/190/245/300 (+15% of bonus health)

Active: Vladimir infects all enemies in the target area with a virulent plague which increases the damage they take from all sources by 12% for 5 seconds. After these 5 seconds, infected enemies take magic damage.
No cost:
Range to center of AoE: 700
Radius of AoE: 175
Cooldown: 150/135/120 seconds
Magic Damage: 150/250/350 (+0.7 per ability power)